$\text { For the curve } r ( t ) \text {, write the acceleration in the form aTT } + \text { anN. }$

question 110

Multiple Choice

$\text { For the curve } r ( t ) \text {, write the acceleration in the form aTT } + \text { anN. }$
-r(t) = (t + 10) i + (ln(cos t) - 6) j + 2k

• A) a = (sec t tan t)T + (sec t)N
• B) a = (sec t tan t)T - (sec t)N
• C) a = (-sec t tan t)T + (sec t)N
• D) a = (-sec t tan t)T - (sec t)N

---

Definitions:

Carotid Pulse

The palpable beat of the carotid artery, located on either side of the neck, which can be used to measure heart rate.

Diastole

The relaxation phase of the heartbeat; the period of least pressure.

Systole

The contraction phase of the heart; the greatest amount of blood pressure.

Mensuration

The branch of mathematics dealing with the measurement of shapes and figures.